Input: AC 100~240V, 50/60Hz ; Output: DC 3.5V~12V Adjustable, Max 12A 144W ; It can supply with any voltage between 3.5V~12V,such as 12V 11V 10V 8V 9V 6V 5V 3.5V, etc and any amp less than 12A, such as3A, 5A, 6A, 8A,9A,10A,11A,12A. LCD display will show the output voltage, in case that wrong voltage regulation damage your device. Based on hundreds of users feedback, we have made the following improvements: 1. The knob can be adjusted more evenly, and it can reach 7V ~ 8V by rotating 50%. 2. Increase the off gear to turn off the power without pulling the plug. 3.Add a polarity converter cable, which make it compatible with more devicesdoubles its range of application. It comes with an original 5.5x2.5mm tip and 14pcs frequently used tips: 6.5x4.4mm+Pin, 5.5x2.1mm, 5.5x3.0mm+Pin, 5.0x2.5mm, 6.3x3.0mm, 5.5x1.7mm, 4.8x1.7mm, 4.0x1.7mm, 3.5x1.35mm, 3.0x1.1mm, 2.5x0.7mm, Micro-USB, Type-C and DC terminal conn